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    • 10. 发明授权
    • Pressure communication assembly external to casing with connectivity to pressure source
    • 压力通信组件外部与压力源连接
    • US07637318B2
    • 2009-12-29
    • US11394139
    • 2006-03-30
    • Jose SierraDavid O. Johnson
    • Jose SierraDavid O. Johnson
    • E21B47/06E21B43/263
    • E21B47/06
    • A pressure communication assembly external to casing with various forms of connectivity to a pressure source. A well system includes a casing string positioned in the well, with a bore extending longitudinally through the casing string; a chamber attached to the casing string and positioned external to the casing string bore; and a device which provides fluid communication between an interior of the chamber and a pressure source external to the casing. A method of monitoring pressure in a well includes the steps of: installing a casing string in the well with a chamber positioned external to a through bore of the casing string, and the chamber being isolated from the well external to the casing string; and then actuating a device to thereby provide fluid communication between the chamber and the well external to the casing string.
    • 外壳外部的压力通信组件,具有与压力源的各种形式的连接。 井系统包括定位在井中的套管柱,其中纵向延伸穿过套管柱的孔; 附接到套管柱并且定位在套管柱孔外部的室; 以及在室的内部和壳体外部的压力源之间提供流体连通的装置。 一种监测井中压力的方法包括以下步骤:将套管柱安装在井中,其具有位于套管柱的通孔外部的室,并且室与套管柱外部的井隔离; 然后致动装置,从而在腔室和套管柱外部的井之间提供流体连通。